<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">×</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">×</i>
            </li>

            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">×</i>
            </li>

            <li
              class="with-x"
              v-for="(prop, index) in searchParams.props"
              :key="index"
            >
              {{ prop.split(":")[1] }}<i @click="removeProp(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          @searchFortrademark="searchFortrademark"
          @searchForAttrValue="searchForAttrValue"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 
                  1、搞懂哪个数据在控制排序
                  2、修改页面的css样式为动态(背景色)
                      让active类根据数据动态改变
                  3、使用字体图标
                      使用什么字体图标  iconfont
                      字体图标的选择
                      哪个排序应该有图标
                      图标是向上还是向下
                  4、点击排序
                 -->

                <li
                  :class="{ active: searchParams.order.split(':')[0] === '1' }"
                >
                  <a href="javascript:;" @click="changeOrder('1')">
                    综合
                    <i
                      v-show="searchParams.order.split(':')[0] === '1'"
                      class="iconfont"
                      :class="{ iconup:searchParams.order.split(':')[1] === 'asc', icondown:searchParams.order.split(':')[1] === 'desc' }"
                    ></i>
                  </a>
                </li>

                <li
                  :class="{ active: searchParams.order.split(':')[0] === '2' }"
                >
                  <a href="javascript:;" @click="changeOrder('2')">
                    价格
                    <i
                      v-show="searchParams.order.split(':')[0] === '2'"
                      class="iconfont"
                      :class="{ iconup:searchParams.order.split(':')[1] === 'asc', icondown:searchParams.order.split(':')[1] === 'desc' }"
                    ></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsList"
                :key="goods.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="'/detail/' + goods.id">
                      <img :src="goods.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <router-link :to="'/detail/' + goods.id">
                      {{ goods.title }}
                    </router-link>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <Pagination
            @changePage="changePage"
            :currentPageNo="searchParams.pageNo"
            :total="goodsListInfo.total"
            :pageSize="searchParams.pageSize"
            :continueNum="5"
          ></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters, mapState } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  // 搜索一共有三个：
  //1、按照三级分类及关键字进行搜索
  //2、按照品牌进行搜索
  //3、按照属性进行搜索
  name: "Search",

  data() {
    return {
      // 初始化搜索参数
      // 把以后所有的搜索条件都初始化在这个对象当中
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        props: [],
        trademark: "",
        // 初始化参数默认值
        order: "1:desc", //代表默认的排序
        // 1代表综合排序   2代表价格排序
        // desc代表降序   asc代表升序

        pageNo: 1, //代表默认获取第几页数据
        pageSize: 1, //代表默认每一页有多少个数据
      },
    };
  },

  components: {
    SearchSelector,
  },
  // 按照三级分类或者关键字进行搜索，本质我们只需要把参数给赛到this.searchParams
  // 请求会在mounted当中自动发送
  // beforeMount() {
  //   // let { keyword } = this.$route.params;
  //   // let { category1Id, category2Id, category3Id, categoryName } =
  //   //   this.$route.query;

  //   // // 这个是拆包，不是解构
  //   // // 它其实是我们后面要用的最简单的浅拷贝
  //   // let searchParams = {
  //   //   ...this.searchParams,
  //   //   category1Id,
  //   //   category2Id,
  //   //   category3Id,
  //   //   categoryName,
  //   //   keyword,
  //   // };

  //   // // 把参数当中是空串全部变为undefined或者直接干掉
  //   // Object.keys(searchParams).forEach((item) => {
  //   //   if (searchParams[item] === "") {
  //   //     delete searchParams[item];
  //   //     // searchParams[item] = undefined
  //   //   }
  //   // });

  //   // this.searchParams = searchParams;
  //   this.handlerSearchParams()
  // },
  // mounted() {
  //   // 从home页跳转过来，根据关键字或者三级分类进行搜索
  //   // 需要把home页跳转过来的时候所携带的三级分类或者关键字放到data当中的searchParams内部
  //   this.getGoodsListInfo();
  // },

  // 这里也可以不用上面的beforeMount和mounted,在watch当中添加immediate
  // 也是可以处理第一次跳转过来的请求
  watch: {
    $route: {
      immediate: true,
      handler() {
        // 第一块处理参数
        this.handlerSearchParams();
        // 发送请求
        this.searchParams.pageNo = 1
        this.getGoodsListInfo();
      },
    },
  },

  methods: {
    getGoodsListInfo() {
      // dispatch本质就是在调用对应的action函数
      // 而且传递参数最多只能传递一个，如果需要传递多个，那么封装为对象进行传递
      // this.$store.dispatch('getGoodsListInfo',{})
      // 上面的写法确实可以拿到一批数据进行初始化数据展示
      // 但是上面的请求并没有携带任何的搜索参数
      // 而我们从首页跳转过来的时候，默认其实是有一个搜索过程的
      // 因此，我们在这里的请求是应该要带一些搜索参数发请求获取数据
      // 如果不带参数，用户点击手机过来和点击家用电器过来，显示的都是一样的数据，不合规矩
      this.$store.dispatch("getGoodsListInfo", this.searchParams);
    },

    // 处理路由参数
    handlerSearchParams() {
      let { keyword } = this.$route.params;
      let { category1Id, category2Id, category3Id, categoryName } =
        this.$route.query;

      // 这个是拆包，不是解构
      // 它其实是我们后面要用的最简单的浅拷贝
      let searchParams = {
        ...this.searchParams,
        category1Id,
        category2Id,
        category3Id,
        categoryName,
        keyword,
      };

      // 把参数当中是空串全部变为undefined或者直接干掉
      Object.keys(searchParams).forEach((item) => {
        if (searchParams[item] === "") {
          delete searchParams[item];
          // searchParams[item] = undefined
        }
      });

      this.searchParams = searchParams;
    },

    // 删除显示的搜索条件删除分类名称
    removeCategoryName() {
      // this.searchParams.categoryName = undefined
      // this.getGoodsListInfo() //这样发请求不行，因为这样发请求只是发了请求，但是并不能改变路径

      // this.$router.push({name:'search',params:this.$route.params})
      this.searchParams.pageNo = 1
      this.$router.replace({ name: "search", params: this.$route.params });
    },
    // 删除关键字搜索条件
    removeKeyword() {
      // this.searchParams.keyword = undefined
      // this.getGoodsListInfo()//这样发请求不行，因为这样发请求只是发了请求，但是并不能改变路径

      // 通知header清空搜索框关键字
      this.$bus.$emit("clearKeyword");
      this.searchParams.pageNo = 1
      this.$router.replace({ name: "search", query: this.$route.query });
    },

    // 按照品牌进行搜索
    searchFortrademark(tm) {
      // 帮你干刚才子组件里面的两个事情
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`;
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },

    // 面包屑删除品牌
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },

    // 按属性进行搜索
    searchForAttrValue(attr, attrValue) {
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      // 判断搜索参数props当中是不是已经有了这个prop，如果有就不要再加了
      let isRepeat = this.searchParams.props.some((item) => item === prop);
      if (isRepeat) return;

      this.searchParams.props.push(prop);
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },
    // 删除面包屑的属性
    removeProp(index) {
      this.searchParams.props.splice(index, 1);
      this.searchParams.pageNo = 1
      this.getGoodsListInfo();
    },
    // 点击排序
    changeOrder(orderFlag){
      // 获取到原有的排序标志和排序类型
      let originFlag = this.searchParams.order.split(':')[0]
      let originType = this.searchParams.order.split(':')[1]
      let newOrder = ''
      if(orderFlag === originFlag){
        // 代表用户点击的和原来的排序是一样的
        newOrder = `${originFlag}:${originType==='desc'?'asc':'desc'}`
      }else{
        newOrder = `${orderFlag}:desc`
      }

      this.searchParams.order = newOrder
      this.searchParams.pageNo = 1
      this.getGoodsListInfo()
    },



    // 分页器点击切换页面，请求
    changePage(page){
      this.searchParams.pageNo = page
      this.getGoodsListInfo()
    }
  },
  computed: {
    ...mapGetters(["goodsList"]),
    ...mapState({
      goodsListInfo:state => state.search.goodsListInfo
    })
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>